Chi square test of independence and test for goodness

Assignment Help Basic Statistics
Reference no: EM13107884

Please explain fully.

In a sample of 64 patients, suppose that 47 showed allergic reduced reaction and 17 show increased reaction. Are these results sufficient to conclude a significant effect? Assume that increasing and decreasing reactions are equally likely if the training had no effect. Use alpha .05

gender difference in dream content female low medium high

18 4 2

male 4 17 15

Is there a relationship between gender and the aggression content of dreams? Test with alpha .01

Reference no: EM13107884

Questions Cloud

What is the primary emphasis of object relations theorist : What is the primary emphasis of object relations theorist? Give example of this emphasis from Heinz Kohut, Otto Kemberg and Attachment Theory.
Describe at least two reasons that the theory guiding : Describe at least two reasons that the theory guiding a psychological analysis and the research method used to conduct the psychological analysis are interrelated.
Information about chi square test of variance : A student population consists of 55% females and 45% males. A researcher recorded the gender of each student emerging from a theater and found a total of 385 females and 215 males.
What are therapeutic factors that allow person to mature : Psychoanalysis is viewed as a learning process in which the individual resumes and completes the growth process that was interrupted when the neurosis began. Describe the term "transference". In psychoanalysis what are three therapeutic factors th..
Chi square test of independence and test for goodness : In a sample of 64 patients, suppose that 47 showed allergic reduced reaction and 17 show increased reaction. Are these results sufficient to conclude a significant effect?
Calculate the total annual cost : Foods Galore buys cereal from a manufacturer for $21.40 per case. Annual demand for cereal is 235,000 cases, and the company believes that the demand is constant at 940 cases per day for each of the 250 days per year that it is open for business.
Chi-squared test-gender distribution in college : The college theater department recently staged a production of a modern musical. A researcher recorded the gender of each student entering the theater and found a total of 385 females and 215 males.
What is the origin of the conflict : Freud's theory has been described as a "conflict theory of personality". What is the origin of the conflict? How according to Freud, is the conflict resolved to lead a "normal" development? When does neurosis (psychopathology) develop?
Chi-square test-allergic reactions : Langewitz, Izakovic, and Wyler (2005) reported that self-hypnosis can significantly reduce hay fever symptoms. Patients with moderate to severe allergic reactions were trained to focus their minds on specific locations where their allergies do not..

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Determine correlation coefficient and regression

The city of Oakdale wishes to see if there is a linear relationship between the temperature and the amount of electricity used (in kilowatts).

  Estimating election polling

An election coming up next week promises to be very close. In fact, assume that 50% are in favor and 50% are against. Suppose you conduct a poll of 791 randomly selected likey votes. Approx. how different will the percent in favor (from the poll) ..

  Confidence interval for the true average difference

The mean difference in total cholesterol levels (after - before) was 27.138 mg/dL with a standard deviation of 7.3685 mg/dL. Create a 95% confidence interval for the true average difference in cholesterol levels by the drug.

  Arithmetic mean-median and probablity

A property of concern for any food company that uses a high-speed carton-filling machine to package juice is the weight of the food product in the individual cartons.

  Interpreting a scatter diagram

Make up a scatter diagram with 10 dots for each of the following situations:

  Determine the critical value for the test

the null hypothesis is to be tested at 95% confidence. Determine the critical value(s) for this test.

  Advantages of anova

What are the advantages of ANOVA over the mean test and what are the disadvantages? Where would I use this in my everyday life?

  Measures of central tendency-solution set

Students in the social work course received the following course grades. Create a frequency distribution for this data. Compute the mean. Determine the median.

  Probability tree and venn diagram

Your firm has classified orders as either large or small in dollar amount and as either light or heavy in shipping weight. In the recent past, 28% of orders have been large dollar amounts

  Test using independent sample t-test

Is the school district correct in assuming the girls are equal in performance to boys. They are 95% sure their assumption is correct.

  Mean diameter of the peaches

A random sample of 100 peaches is gathered and the mean diameter is calculated. What is the probability that the sample mean is greater than 3.79 inches.

  The probability that return for common stocks

The article claims that the distributions of annual returns for both common stocks and long-term government bonds are bell-shaped and approximately symmetric. Assume that these distributions are distributed as normal random variables with the mea..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd